JPH05257837A - Information processing system - Google Patents
Information processing systemInfo
- Publication number
- JPH05257837A JPH05257837A JP4089942A JP8994292A JPH05257837A JP H05257837 A JPH05257837 A JP H05257837A JP 4089942 A JP4089942 A JP 4089942A JP 8994292 A JP8994292 A JP 8994292A JP H05257837 A JPH05257837 A JP H05257837A
- Authority
- JP
- Japan
- Prior art keywords
- central control
- terminal device
- information processing
- control unit
- request signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Computer And Data Communications (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、通信回線を介して中央
制御装置と端末装置とを接続して中央制御装置に保持さ
れる情報を遠隔の端末装置で処理するというような情報
処理システムに関し、特に、端末装置の側での処理時刻
情報が問題となる情報処理システムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information processing system in which a central control unit and a terminal unit are connected via a communication line and information held in the central control unit is processed by a remote terminal unit. In particular, the present invention relates to an information processing system in which processing time information on the terminal side is a problem.
【０００２】[0002]
【従来の技術】従来、この種の情報処理システムでは、
端末装置の側に時計を内蔵しており、所定の情報処理に
おいて当該内蔵時計の時刻情報を参照している。かかる
内蔵時計の時刻補正については、特別な決まりがなく、
端末利用者が必要と感じたときに手動によって補正して
いる。従って、中央制御装置や端末装置において内蔵時
計の同期も取られていない。2. Description of the Related Art Conventionally, in this type of information processing system,
The terminal device has a built-in clock and refers to the time information of the built-in clock in predetermined information processing. There is no special rule about time correction of such internal clock,
It is manually corrected when the terminal user feels necessary. Therefore, the internal clock is not synchronized with the central control unit or the terminal unit.
【０００３】[0003]
【発明が解決しようとする課題】各端末装置においては
情報の処理を行なうときに内蔵時計の時刻情報を参照し
て処理時刻を記録する。しかるに、上述した従来の情報
処理システムにおいては、各端末装置が個別に時刻合わ
せを行なっているので、各端末間での相対的な処理時刻
の正確性が要求される場合においては全く無意味ともな
りかねないという課題があった。In each terminal device, when processing information, the processing time is recorded with reference to the time information of the built-in clock. However, in the above-mentioned conventional information processing system, since each terminal device adjusts the time individually, it is completely meaningless when the accuracy of the relative processing time between each terminal is required. There was a problem that could happen.
【０００４】本発明は、上記課題にかんがみてなされた
もので、容易に各端末と中央制御装置との間で時刻情報
の同期を図ることが可能な情報処理システムの提供を目
的とする。The present invention has been made in view of the above problems, and an object of the present invention is to provide an information processing system capable of easily synchronizing time information between each terminal and a central control unit.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するた
め、請求項１にかかる発明は、通信回線を介して中央制
御装置と端末装置とを接続して構成される情報処理シス
テムにおいて、上記中央制御装置は、所定の要求信号を
受信したときに応答信号に自己の内蔵時計の時刻情報を
付加して送信する時刻情報出力手段を備え、上記端末装
置は、上記所定の要求信号を上記中央制御装置に送信す
る要求送信手段と、上記時刻情報を付加された応答信号
を受信して内蔵時計を同期させる同期制御手段とを備え
た構成としてある。In order to achieve the above object, the invention according to claim 1 is an information processing system configured by connecting a central control device and a terminal device via a communication line. The control device includes a time information output means for adding the time information of its own built-in clock to the response signal and transmitting the time signal when the predetermined request signal is received, and the terminal device transmits the predetermined request signal to the central control unit. The request transmission means for transmitting to the device and the synchronization control means for receiving the response signal to which the time information is added and synchronizing the built-in clock are provided.
【０００６】また、請求項２にかかる発明は、請求項１
に記載の情報処理システムにおいて、上記要求送信手段
を、通信の開始時に上記所定の要求信号を送信するよう
に構成してある。The invention according to claim 2 is the same as claim 1.
In the information processing system described in (1), the request transmitting means is configured to transmit the predetermined request signal at the start of communication.
【０００７】[0007]
【作用】上記のように構成した請求項１にかかる発明に
おいては、端末装置が要求送信手段にて所定の要求信号
を中央制御装置に送信すると、同中央制御装置における
時刻情報出力手段は、同要求信号を受信して応答信号に
自己の内蔵時計の時刻情報を付加して送信する。する
と、端末装置における同期制御手段は同応答信号を受信
して付加されている時刻情報に基づいて内蔵時計を同期
させる。In the invention according to claim 1 configured as described above, when the terminal device transmits a predetermined request signal to the central control device by the request transmission means, the time information output means in the central control device is It receives the request signal, adds the time information of its own built-in clock to the response signal, and transmits it. Then, the synchronization control means in the terminal device receives the response signal and synchronizes the built-in clock based on the added time information.
【０００８】また、上記のように構成した請求項２にか
かる発明においては、要求送信手段が通信の開始時に上
記所定の要求信号を送信し、通信の開始ごとに内蔵時計
の補正を行なう。Further, in the invention according to claim 2 configured as described above, the request transmission means transmits the predetermined request signal at the start of communication and corrects the built-in clock every time communication is started.
【０００９】[0009]
【実施例】以下、図面にもとづいて本発明の実施例を説
明する。図１は、本発明の一実施例にかかる情報処理シ
ステムのブロック図である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of an information processing system according to an embodiment of the present invention.
【００１０】同図において、端末装置１は、端末装置情
報処理部２と、この端末装置情報処理部２によって管理
される端末装置内蔵時計３とを備えている。中央制御装
置４は、中央制御装置情報処理部５と、この中央制御装
置情報処理部５によって管理される中央制御装置内蔵時
計６と、中央制御装置情報処理部５により各種の情報の
読み書きが行なわれる外部記憶装置７とを備えている。
そして、端末装置１と中央制御装置４とは通信回線８を
介して接続されている。In FIG. 1, the terminal device 1 includes a terminal device information processing unit 2 and a terminal device built-in clock 3 managed by the terminal device information processing unit 2. The central control unit 4 performs reading and writing of various information by the central control unit information processing unit 5, the central control unit built-in clock 6 managed by the central control unit information processing unit 5, and the central control unit information processing unit 5. The external storage device 7 is provided.
The terminal device 1 and the central control device 4 are connected via a communication line 8.
【００１１】次に、上記構成からなる本実施例の動作を
説明する。端末装置１と中央制御装置４との間で通信処
理を行なう場合、図２に示すように、端末装置１から通
信開始要求信号を中央制御装置４に送信し、同中央制御
装置４は通信開始要求信号を受信すると端末装置１に対
して通信開始応答信号を送信する。Next, the operation of this embodiment having the above configuration will be described. When performing communication processing between the terminal device 1 and the central control device 4, as shown in FIG. 2, the terminal device 1 transmits a communication start request signal to the central control device 4, and the central control device 4 starts communication. When receiving the request signal, it transmits a communication start response signal to the terminal device 1.
【００１２】端末装置１が中央制御装置４に送信する通
信開始要求信号の構成を図３に示す。中央制御装置４
は、この通信開始要求信号を受信すると、中央制御装置
情報処理部５が中央制御装置内蔵時計６から現在時刻の
情報を読み出し、当該時刻情報を付加して通信開始応答
信号を作成し、端末装置１に送信する。同通信開始応答
信号の構成を図４に示す。通信開始応答信号を受信した
端末装置１は、端末装置情報処理部２が同信号に付加さ
れている時刻情報に合致するように端末装置内蔵時計３
の時刻を補正する。以降、中央制御装置４の外部記憶装
置７に格納されている情報を端末装置１に転送後、端末
装置情報処理部２にて任意の処理を行ない、処理の結果
を再び中央制御装置４に転送して一連の通信処理を完了
する。The structure of the communication start request signal transmitted from the terminal device 1 to the central control unit 4 is shown in FIG. Central controller 4
When this communication start request signal is received, the central control device information processing section 5 reads the current time information from the central control device built-in clock 6, adds the time information, and creates a communication start response signal. Send to 1. The structure of the communication start response signal is shown in FIG. The terminal device 1 that receives the communication start response signal causes the terminal device information processing unit 2 to match the time information added to the signal so that the terminal device built-in clock 3
Correct the time. After that, after the information stored in the external storage device 7 of the central control device 4 is transferred to the terminal device 1, the terminal device information processing unit 2 performs an arbitrary process, and the result of the process is transferred to the central control device 4 again. Then, a series of communication processing is completed.
【００１３】[0013]
【発明の効果】以上説明したように本発明は、所定の要
求信号の送信に応じて各端末装置が中央制御装置と同期
した時刻情報を保持することになり、システム全体にわ
たる時刻情報の不同期を解消することが可能な情報処理
システムを提供することができる。また、請求項２にか
かる発明によれば、通信の開始時に必ず時刻の補正を行
なうため、利用者が時刻同期に注意を要することなくシ
ステム全体の時刻情報が同期される。As described above, according to the present invention, each terminal device holds the time information synchronized with the central controller in response to the transmission of a predetermined request signal, and the time information is not synchronized throughout the system. It is possible to provide an information processing system capable of solving the above problem. According to the second aspect of the invention, since the time is always corrected at the start of communication, the time information of the entire system is synchronized without the user having to pay attention to the time synchronization.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の一実施例にかかる情報処理システムの
ブロック図である。FIG. 1 is a block diagram of an information processing system according to an embodiment of the present invention.
【図２】通信開始時の手順を示す図である。FIG. 2 is a diagram showing a procedure at the time of starting communication.
【図３】通信開始要求信号の構成を示す図である。FIG. 3 is a diagram showing a structure of a communication start request signal.
【図４】通信開始応答信号の構成を示す図である。FIG. 4 is a diagram showing a structure of a communication start response signal.
１…端末装置 ２…端末装置情報処理部 ３…端末装置内蔵時計 ４…中央制御装置 ５…中央制御装置情報処理部 ６…中央制御装置内蔵時計 DESCRIPTION OF SYMBOLS 1 ... Terminal device 2 ... Terminal device information processing unit 3 ... Terminal device built-in clock 4 ... Central control device 5 ... Central control device information processing unit 6 ... Central control device built-in clock
Claims (2)
置とを接続して構成される情報処理システムにおいて、 上記中央制御装置は、所定の要求信号を受信したときに
応答信号に自己の内蔵時計の時刻情報を付加して送信す
る時刻情報出力手段を備え、 上記端末装置は、上記所定の要求信号を上記中央制御装
置に送信する要求送信手段と、上記時刻情報を付加され
た応答信号を受信して内蔵時計を同期させる同期制御手
段とを具備することを特徴とする情報処理システム。1. An information processing system configured by connecting a central control device and a terminal device via a communication line, wherein the central control device incorporates itself in a response signal when a predetermined request signal is received. The terminal device includes a time information output unit that adds and transmits time information of the clock, and the terminal device transmits a request signal that transmits the predetermined request signal to the central control device and a response signal to which the time information is added. An information processing system comprising: a synchronization control unit that receives and synchronizes a built-in clock.
において、上記要求送信手段を、通信の開始時に上記所
定の要求信号を送信するように構成したことを特徴とす
る情報処理システム。2. The information processing system according to claim 1, wherein the request transmitting means is configured to transmit the predetermined request signal when communication is started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4089942A JPH05257837A (en) | 1992-03-13 | 1992-03-13 | Information processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4089942A JPH05257837A (en) | 1992-03-13 | 1992-03-13 | Information processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05257837A true JPH05257837A (en) | 1993-10-08 |
Family
ID=13984762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4089942A Pending JPH05257837A (en) | 1992-03-13 | 1992-03-13 | Information processing system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05257837A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07191918A (en) * | 1993-12-27 | 1995-07-28 | Matsushita Electric Ind Co Ltd | Computer system and network operation system |
| JP2002186037A (en) * | 2000-12-12 | 2002-06-28 | Ntt Docomo Inc | Authentication method, communication system, and repeater |
| JP2007325306A (en) * | 2007-07-30 | 2007-12-13 | Ntt Docomo Inc | Authentication method, communication apparatus, and relaying device |
| WO2014192893A1 (en) * | 2013-05-31 | 2014-12-04 | 株式会社エムティーアイ | Positioning system, positioning method, and positioning program |
-
1992
- 1992-03-13 JP JP4089942A patent/JPH05257837A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07191918A (en) * | 1993-12-27 | 1995-07-28 | Matsushita Electric Ind Co Ltd | Computer system and network operation system |
| JP2002186037A (en) * | 2000-12-12 | 2002-06-28 | Ntt Docomo Inc | Authentication method, communication system, and repeater |
| US7707403B2 (en) | 2000-12-12 | 2010-04-27 | Ntt Docomo, Inc. | Authentication method, communication apparatus, and relay apparatus |
| JP2007325306A (en) * | 2007-07-30 | 2007-12-13 | Ntt Docomo Inc | Authentication method, communication apparatus, and relaying device |
| WO2014192893A1 (en) * | 2013-05-31 | 2014-12-04 | 株式会社エムティーアイ | Positioning system, positioning method, and positioning program |
| JPWO2014192893A1 (en) * | 2013-05-31 | 2017-02-23 | 株式会社エムティーアイ | Positioning system, positioning method, and positioning program |
| US10605891B2 (en) | 2013-05-31 | 2020-03-31 | Mti Ltd. | Positioning system, positioning method, and positioning program |
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